<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width,initial-scale=1.0">
  <title>testvw</title>
  <script src="//g.alicdn.com/fdilab/lib3rd/viewport-units-buggyfill/0.6.2/??viewport-units-buggyfill.hacks.min.js,viewport-units-buggyfill.min.js"></script>
</head>
<body>
  <div id="app"></div>
  <!-- built files will be auto injected -->
  <script>
    window.onload = function () {
      window.viewportUnitsBuggyfill.init({
        hacks: window.viewportUnitsBuggyfillHacks
      });

      // var winDPI = window.devicePixelRatio;
      // var uAgent = window.navigator.userAgent;
      // var screenHeight = window.screen.height;
      // var screenWidth = window.screen.width;
      // var winWidth = window.innerWidth;
      // var winHeight = window.innerHeight;
      // alert(
      //   "Windows DPI:" + winDPI +
      //   ";\ruAgent:" + uAgent +
      //   ";\rScreen Width:" + screenWidth +
      //   ";\rScreen Height:" + screenHeight +
      //   ";\rWindow Width:" + winWidth +
      //   ";\rWindow Height:" + winHeight
      // )
    }
  </script>
</body>
</html>